Re: 1972 Heat is always on!
Yup, this came from waaaaaaaaaaay back!
But to answer the last question, put the valve on the inlet to the heater core, that way it never gets hot. Should be the hose from the water pump.
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1972 Chevy C-10, SWB, Fleet, 350/350, PS, PB, HEI, mostly stock, Survivor.
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